Serving Ontario and all of California

Directional drilling contractors in Ontario, CA

Horizontal directional drilling, auger boring and pipe boring in Ontario: conduit, fiber, water, sewer and gas lines put under roads, driveways and landscaping without an open trench.

Call (855) 804-1434Estimates are free. Call now. Request a free estimate

Directional drilling in Ontario is how new conduit, fiber, water, sewer and gas lines get under a road, a driveway or a yard without anyone opening a trench across it. A small pit at each end, a steered bore between them, and the pipe is pulled back through the hole. The surface stays as it was, traffic keeps moving and the landscaping survives.

Open territory · Ontario, CA

Drilling contractors covering Ontario

No single contractor is listed for California yet. Call the national line or use the form and the request is routed to a directional drilling contractor working the Ontario area. Estimates are free.

(855) 804-1434

What is in the ground in Ontario

Coastal Southern California is alluvial sand and gravel with cobbles in the river channels; the Central Valley is deep clay and silt with a high water table in places; the Bay Area mixes bay mud, serpentine and fractured bedrock, and seismic design governs every crossing.

Fiber to the home, undergrounding of overhead power in fire-threat districts, recycled-water mains and freeway crossings are the big drivers, all under tight Caltrans and city encroachment permitting. Locate requests in California go through USA North 811 (northern and central California) or DigAlert (southern California); crossings of state routes are permitted by Caltrans.

How a bore in Ontario is done

A bore in Ontario is planned backward from what the pipe can tolerate. The bend radius of the product, the depth the permit requires under a California road or a creek, and the soil along the path set the entry angle and the length. The pilot pass is steered and tracked from the surface; one or more reaming passes open the hole, and the pipe or conduit is pulled back through on the last pass with a swivel so it does not twist.

Hiring a drilling contractor in Ontario

Ask any contractor quoting work in Ontario for the bore plan, not just a price per foot. It should show depth, entry and exit points, the soil they expect and how they will handle fluid. Ask who owns the rig and who is on the crew, whether they carry the permits for California road or rail crossings, and what happens if the bore meets rock or an unmarked line. Written answers to those questions tell you more than the number at the bottom.

Estimates are free. Call now: (855) 804-1434.

Drilling and boring services in Ontario

Each page explains one method or utility type: what gets installed, how deep, what the permit requires and what moves the price.

Directional Drilling

Horizontal directional drilling (HDD) for new underground utilities: steered bores under roads, driveways, parking lots, creeks and landscaping with no open trench.

Directional Drilling explained →

Horizontal Boring

Horizontal boring for conduit, casing and carrier pipe where digging across a surface is not an option.

Horizontal Boring explained →

Auger Boring

Steel-cased auger bores for road, rail and railroad crossings that need a straight, on-grade casing.

Auger Boring explained →

Pipe Boring

Boring and pulling in HDPE or steel product pipe from a few inches up to large-diameter casings.

Pipe Boring explained →

Fiber Optic Drilling

Directional drilling for fiber and communications duct: long bores, multiple ducts in one pull, tight easements.

Fiber Optic Drilling explained →

Electrical Conduit Drilling

Bores for primary and secondary power conduit, lighting circuits and site electrical feeds.

Electrical Conduit Drilling explained →

Utility Drilling

Multi-utility installs for developers and utilities: power, gas, water, sewer and telecom on one site plan.

Utility Drilling explained →

Sewer Line Drilling

Directional drilling and boring for new gravity-adjusted force mains, laterals and sewer crossings.

Sewer Line Drilling explained →

Water Main Drilling

HDD installation of new water mains and service lines, including creek and road crossings.

Water Main Drilling explained →

Gas Line Drilling

Bores for new natural gas mains and services, coordinated with the utility and its operator-qualification rules.

Gas Line Drilling explained →

Questions we hear in Ontario

Is directional drilling cheaper than digging a trench in Ontario?+

For a crossing under pavement, a driveway, mature landscaping or a creek, boring is almost always cheaper once you count the cutting, backfill, repaving and restoration that a trench requires. In an open field with nothing to cross, a trench can be less. A good contractor will tell you which applies to your job.

How deep does a directional bore go under a road in Ontario?+

Most road crossings in California are bored 4 to 10 feet below the pavement, deeper under state highways and railroads where the permit sets a minimum cover. The depth also depends on the pipe diameter and the bend radius the product can tolerate; a longer bore lets the crew ease down to depth and back up more gradually.

What size pipe can be installed by directional drilling in Ontario?+

Residential and small commercial bores commonly place 1-inch to 6-inch conduit, water or gas lines. Mid-size rigs handle 8-inch to 16-inch product, and large rigs install 24-inch and larger steel or HDPE under rivers and highways. The soil and the length of the run matter as much as the rig's rated pullback.

How do I get a directional drilling estimate in Ontario?+

Call (855) 804-1434 or use the form on this page and the request is routed to a drilling contractor covering Ontario; estimates are free. Have the length of the run, what is going in the ground and what it crosses ready, and a site walk will usually confirm the price.

More California cities

Every listed city in California has its own page; the California page covers the state's ground, permits and contractor.